Chapter 2: Hardware Information
2-20
2.7.2 Conguringanexpansioncard
Afterinstallingtheexpansioncard,conguretheitbyadjustingthesoftwaresettings.
1. Turn on the system and change the necessary BIOS settings, if any. See Chapter 5 for
information on BIOS setup.
2. Assign an IRQ to the card. Refer to the following tables.
3. Installthesoftwaredriversfortheexpansioncard.
StandardInterruptassignments
* These IRQs are usually available for ISA or PCI devices.
IRQ Priority Standardfunction
0 1 System Timer
1 2 KeyboardController
2 - Programmable Interrupt
3*
4* 12 CommunicationsPort(COM1)
5* 13 --
6
7* 15 --
8 3 SystemCMOS/RealTimeClock
9* 4 ACPI Mode when used
10* 5 IRQ Holder for PCI Steering
11* 6 IRQ Holder for PCI Steering
12* 7 PS/2 Compatible Mouse Port
13 8 Numeric Data Processor
14*
15*